Articles tagged with Solid Electrolytes
A research team at Toyohashi University of Technology and University of Calgary investigates the effect of post-annealing on a garnet-type Ta-substituted LLZO ceramic solid electrolyte degraded by Li metal penetration. The study reveals that annealed Ta-LLZO maintains high Li ion conductivity above 10^-4 S cm^-1 at room temperature, ma...
Researchers at KIST have developed a breakthrough material design strategy to overcome the problem of high interfacial resistance between solid electrolytes and cathodes in all-solid-state batteries. The new approach improves charge transfer and stability by optimizing the crystal structure of the cathode material.
Researchers from ETRI and DGIST created a novel electrode structure composed of graphite active material and no solid electrolyte, increasing energy density by 150%. The new design enables higher active material content and improved performance.
Researchers at DGIST developed a 3D digital twinning platform to analyze all-solid-state battery interfaces, reducing defects and improving performance. The technique uses detailed 3D replicas of the real thing, capturing structural analyses and validating efficacy.
Researchers at Université de Genève develop non-flammable solid electrolyte that operates at room temperature, transporting sodium instead of lithium. The new battery technology has potential to store more energy and is being used to create a new generation of stable and powerful batteries.
Stanford University scientists have identified a class of solid materials that could replace flammable liquid electrolytes in lithium-ion batteries, improving safety and performance. The new materials, made of lithium, boron, and sulfur, show promise as stable and efficient alternatives.
Researchers developed a new soft electrolyte that suppresses lithium dendrites, allowing for longer cycle life and improved safety. The technology enables the production of high-energy density batteries for electric aircraft and long-range electric cars.
Researchers developed a machine learning approach to predict seasonal fire risk in Africa, using data on ocean temperatures and land surface changes. Additionally, scientists found that charge loss in lithium-ion batteries is related to the inherent structural instability of the cathode's crystalline structure. A new microscope tool pr...
A team of Brown University researchers has developed a new ceramic material that doubles the toughness of traditional solid-state lithium ion batteries. The material combines graphene and ceramic to improve mechanical properties while maintaining electrical functionality.
Researchers at JCESR are working on enhancing ion conductivity in solid-state electrolytes using the paddlewheel effect. This can lead to faster and more stable battery performance, eliminating thermal runaway reactions that cause fires.
Researchers found that LATP ceramics degrade significantly in contact with water, losing up to 64% of their total ionic conductivity. The study highlights the importance of preserving initial performance through simple drying-and-vacuum treatments.
Researchers from Argonne National Laboratory and Northwestern University used electron holography and atom probe tomography to study grain boundaries in a solid electrolyte material. They found that impurities such as silicon and aluminum caused resistance, which can be mitigated by intentionally inserting elements into the material.
Researchers at USTC observed single-atom-layer defects that act as 'Li-ion traps', significantly influencing ionic transport and reducing conductivity by up to 1-2 orders of magnitude. The discovery opens new avenues for understanding non-periodic features in solid electrolytes.
Researchers at KIST have developed a sulfide-based superionic conductor that delivers Li-ion conductivity comparable to liquid electrolytes, solving a key challenge in all-solid-state battery technology. The new material enables accelerated mass production and commercialization of safe batteries.
The researchers focus on inorganic solid electrolytes to create stable chemical interfaces, diagnose and characterize batteries in real-time, and design scalable and cost-effective manufacturing processes. Their work aims to address the challenges of all-solid-state batteries and make them safer, longer-lasting, and more energy-dense.
Researchers at MIT have devised a lithium metal anode that could improve battery performance by reducing stress on the solid electrolyte layer. The new design utilizes a three-dimensional nanoarchitecture, allowing the lithium to flow like a liquid while maintaining its solid structure.
A new method to study lithium dendrites was developed using an environmental transmission electron microscope (ETEM) in a carbon dioxide atmosphere. The team successfully grew and observed needle-like structures that can short out batteries and cause fires, providing insights into ways to prevent their appearance.
Researchers at the University of Illinois have created a solid polymer-based electrolyte that can self-heal after damage and be recycled without harsh chemicals or high temperatures. The new material has potential as an effective battery electrolyte, but more work is needed to make it comparable to existing batteries.
Researchers at Georgia Tech have developed a new cathode and electrolyte system using transition metal fluorides and solid polymer electrolytes, showing remarkable stability and potential for safer, lighter lithium-ion batteries. The new design has more than double the lithium capacity of traditional cobalt- or nickel-based cathodes.
Researchers at Georgia Tech develop stretchy plastic electrolytes that enable new lithium-ion battery designs with less reliance on scarce metals. The new cathode and electrolyte system shows remarkable stability even at high temperatures, promising safer, lighter, and cheaper batteries.
Researchers propose atom-to-atom strategy to address electrode-electrolyte contact issue in solid-state Li batteries. By creating epitaxial interfaces, they achieve intimate contact between solid electrolytes and electrodes, resulting in improved rate performances and energy density.
Researchers identified a critical current density that prevents void formation and cell failure in all-solid-state batteries. This breakthrough could enable the development of commercial solid-state batteries for electric vehicles.
Columbia engineers develop a nano-coating of boron nitride to stabilize solid electrolytes in lithium metal batteries, increasing battery life while ensuring safety. The new method achieves record-thin protection layers without lowering energy density.
The organic cathode offers more reliable contact with the electrolyte, extending cycle life and allowing for higher energy density. The flexibility of the organic cathode maintains intimate contact at the interface even as the cathode expands and contracts during cycling.
Researchers at Tohoku University have developed a new complex hydride lithium superionic conductor that can result in all-solid-state batteries with the highest energy density to date. The material exhibits high stability against lithium metal, a major challenge for all-solid-state battery development.
Cornell researchers develop a new solid-state battery technology that is inherently safer and more energy-dense than traditional lithium-ion batteries. This breakthrough enables the creation of smaller, safer batteries with improved recharging capabilities and reduced risk of fires.
Researchers developed a safer component for lithium batteries, improving energy density and reducing safety concerns.
Researchers from Empa and UNIGE have developed a new battery prototype that stores more energy while maintaining high safety levels. The battery uses a solid electrolyte and metallic sodium, which enables faster charging and increased storage capacity.
Scientists discovered that smooth surfaces are key to preventing dendrites from forming in solid electrolyte lithium batteries, a breakthrough that could enable safer and more efficient battery technology. By eliminating the need for liquid electrolytes, researchers aim to double a battery's energy capacity.
Researchers at Columbia University developed a new method using ice-templating to create solid electrolytes for lithium batteries, which are safer, have longer battery life, and are bendable. This approach could improve energy density by replacing the graphite layer with lithium metal.
A team at MIT has probed the mechanical properties of a sulfide-based solid electrolyte material, determining its potential for use in all-solid-state batteries. The research found that the material exhibits a combination of properties similar to silly putty or salt water taffy, showing promise in energy density and safety.
Researchers have identified nearly two-dozen solid electrolytes that could replace volatile liquids in smartphones and laptops. The AI-powered approach allows for rapid screening of materials, identifying the most promising candidates for further study.
Researchers at ETH Zurich have developed solid-state batteries that are non-flammable and can be heated to high temperatures. This breakthrough enables faster charging and larger energy capacity, making them suitable for battery storage power plants and portable electronic devices.
Researchers at Toyohashi University of Technology have developed a new garnet-type fast ionic conductor that can be used in all-solid-state lithium batteries. The material exhibits high lithium-ion conductivity and chemical stability, making it suitable for large-scale power sources.
Researchers have identified a new mechanism for fast ion transport in solid electrolytes, enabling safe and high-power batteries. The discovery provides a new strategy for designing highly conductive solid electrolytes.
Researchers created a new way to coat solid electrolyte around electrodes, solving problems of gasification and poor permeability. The breakthrough enables high-ion conductivity and air stability in all-solid-state lithium batteries.
Berkeley Lab researchers developed a novel glass-polymer hybrid electrolyte that is compliant and conductive at room temperature. The new material shows signs of being compatible with promising next-generation cathode candidates such as sulfur and high-voltage lithium nickel manganese cobalt oxide.
Hitachi and Tohoku University's Advanced Institute for Materials Research have developed a basic technology to reduce internal resistance in all-solid-state lithium-ion batteries, allowing them to operate at temperatures up to 150°C. This breakthrough enables the thermally durable battery to be used in various applications, such as lar...
Researchers have discovered a highly stable cubic garnet material called LLZO that can enable the development of higher-energy battery designs. The material remains structurally stable over time across neutral and extremely alkaline environments, making it an ideal separator material for lithium-ion batteries.
Researchers have developed a safer lithium-ion battery component using solid polymer electrolytes, which reduce the risk of fires while maintaining effective performance. The new material can be used in high-energy batteries like lithium-sulfur and lithium-air batteries.
Researchers at Washington State University have developed a gum-like lithium battery electrolyte that works as well as liquid electrolytes but doesn't create a fire hazard. The new material, which is a hybrid of liquid and solid, contains liquid electrolyte material suspended in solid particles of wax or a similar material.
Scientists at ORNL developed a high-performance, nanostructured solid electrolyte for more energy-dense lithium ion batteries, overcoming safety concerns and size constraints. The ability to use pure lithium metal as an anode could yield batteries five to ten times more powerful than current versions.
Researchers at TU Delft have discovered that adding nanocrystals to solid electrolyte material can significantly increase the efficiency of fuel cells. The addition creates more space in the network, allowing protons to move freely and improving conductivity.
Scientists have created tiny energy storage devices, no bigger than a grain of sand, with the potential to power micro- and nano-scale devices. The new batteries are part of a larger effort to miniaturize lithium-ion technology, which could lead to breakthroughs in fields like medicine and electronics.
The Idaho National Laboratory's lithium battery solid electrolyte has been recognized by the DOE as a top consumer product, offering substantial savings and improvements in safety. The technology promises longer-lasting rechargeable batteries with reduced waste, making it suitable for applications such as space exploration and pacemakers.